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CGP EDU Academic Team
Published on: August 14, 2026
For an ideal gas, consider only P-V work in going from an initial state X to the final state Z. The final state Z can be reached by either of the two paths shown in the figure. Which of the following choice(s) is (are) correct? [take Δ S as change in entropy and w as work done].

Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
(a,c)

Δ S x → z = Δ S x–y + Δ S y → z (Correct)
W x → y = W x–y + W y → z (Incorrect)
W x → y → z = W x–y (Correct)
Δ S x → y → z = Δ S x–y (Incorrect)
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